import pytest
from tibi_hardlinks.backups import create_backup_directory_name
from tibi_hardlinks.exceptions import ConfigurationException


@pytest.mark.usefixtures("canned_data_output")
@pytest.mark.parametrize("filename", ["example-old", "example-new"])
def test_filename_good_canned(filename, canned_data_output):
    data = canned_data_output(filename)
    filenames = {
        "example-old": "XT1095/TA44909SO3/QPython3/1.0.3/2017-11-01_07-38-42",
        "example-new": "OnePlus 7 Pro/7ea4c847/Luis.Babyphone/2.0.72/2020-10-30_09-12-41",
    }

    generated_filename = create_backup_directory_name(data)
    assert filenames[filename] == str(generated_filename)


def test_filename_raise_on_bad_time_format(canned_data_output):
    data = canned_data_output("example-new")

    with pytest.raises(ConfigurationException):
        create_backup_directory_name(data, "obviously bogus time format")


def test_filename_raise_on_incomplete_exception(canned_data_output):
    data = canned_data_output("example-new")
    with pytest.raises(ConfigurationException):
        create_backup_directory_name(data, "%Y-%M-%D")